Dislocations and Twist Grain Boundaries in Van Der Waals Bilayers

来源 :第八届工业与应用数学国际大会 | 被引量 : 0次 | 上传用户：danNyZ

【摘要】

：

　　Bilayer materials,assembled by two layers of 2D crystal with weak Van der Waals interactions,revealing unusual properties.We present a continuum model for d

【作者】

：

DaiShuyang;

【机构】

：

Univ.of Pennsylvania

【出处】

：

第八届工业与应用数学国际大会

【发表日期】

：

2015年期

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　　Bilayer materials,assembled by two layers of 2D crystal with weak Van der Waals interactions,revealing unusual properties.We present a continuum model for dislocations in bilayer structure,incorporating elastic energy for each layer and the disregistry between layers,it account for both the inplane and out-of-plane deformations.We show that the buckling of the bilayer structure is crucial to relax the in-plane strains.The obtained structures agree well with the atomistic simulations.

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Dislocations and Twist Grain Boundaries in Van Der Waals Bilayers

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